Leica SpiderQC v7.1 Quality Report


Program Run: 2021/03/04 01:02:55.88

File Details:


Observation File: pozo063a.21o
GPS Navigation File: pozo063a.21n
GLONASS Navigation File: pozo063a.21g
Galileo Navigation File: pozo063a.21l
BeiDou Navigation File: pozo063a.21f
Quality Testing:  Fail (See below for details) 

Station Details:


Marker Name/Number:  POZO  13468M001   
Observer/Agency:  IECA  Junta de Andalucia   
Receiver #/Type/Vers:  1832461  LEICA GR50  4.20/7.300 
Antenna #/Type:  21015005  LEIAR20 LEIM   
Antenna Offsets (HEN):  0.000  0.000  0.000 
Approx Position (XYZ):  4988767.003  -423244.328  3939354.591 
Approx Position (plh):  38° 23' 0.47934" N  4° 50' 57.59105" W  736.051m 
Diff. Est-Header:  -2.2 m dX  -5.5 m dY  2.4 m dZ 
Diff. Est-Header:  6.4 m (3600 estimates) 

Session Summary:


Time of first obs:  2021/03/04 00:00:00.00 GPS 
Time of last obs:  2021/03/04 00:59:59.00 GPS 
Session length:  59.98 minutes 
GPS week:  2147, day 4 
Observation interval:  1.00 seconds 
UTC leap seconds:  18 seconds 

Num SVs with obs:  39 
Num SVs with nav:  102 
Total GPS orbits:  48 
Total GLONASS orbits:  38 
Total Galileo orbits:  117 
Total BeiDou orbits:  31 
Total QZSS orbits: 
SVs with obs:  G1 G3 G4 G6 G8 G9 G14 G17 G19 G21 G22 G28 G31 G32 R2 R3 R4 R9 R17 R18 R19 R24 E2 E4 E5 E9 E11 E12 E19 E25 E36 C5 C9 C11 C12 C14 C16 C21 C28  
SVs without obs:  G2 G5 G7 G10 G11 G12 G13 G15 G16 G18 G20 G23 G24 G25 G26 G27 G29 G30 R1 R5 R6 R7 R8 R10 R11 R12 R13 R14 R15 R16 R20 R21 R22 R23 E1 E3 E6 E7 E8 E10 E13 E14 E15 E16 E17 E18 E20 E21 E22 E23 E24 E26 E27 E28 E29 E30 E31 E32 E33 E34 E35 C1 C2 C3 C4 C6 C7 C8 C10 C13 C15 C17 C18 C19 C20 C22 C23 C24 C25 C26 C27 C29 C30 C31 C32 C33 C34 C35 C36 C37 J1 J2 J3 J4 J5 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60  
SVs with nav:  G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26 G27 G28 G29 G30 G31 G32 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 E1 E2 E3 E4 E5 E7 E8 E9 E11 E12 E13 E15 E18 E19 E21 E24 E25 E26 E27 E30 E31 E33 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C16 C18 C19 C20 C21 C22 C23 C24 C25 C26 C27 C28 C29 C30  
SVs without nav:  E6 E10 E14 E16 E17 E20 E22 E23 E28 E29 E32 E34 E35 E36 C1 C2 C3 C4 C15 C17 C31 C32 C33 C34 C35 C36 C37  
User Disabled SVs:  None 
Meteo epochs: 
Auxiliary epochs: 

Quality Testing:


  Pass/Fail   Details 
General Tests 
Epochs With Data:  Pass  Value 100.0 %, Threshold 99.0 % 
File Format:  Pass   
RX Clock:  Pass   
Other:  Pass   
     
GPS Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 65 slips 
Multipath:  Pass  Value 0.14m MP1 / 0.13m MP2 / 0.18m MP5, Threshold 0.5 m 
Data Completeness:  Pass  Value 100.0 %, Threshold 95.0 % 
Navigation Data:  Pass   
     
GLONASS Specific Tests 
Cycle Slips:  Pass  Value 3 slips, Threshold 120 slips 
Multipath:  Pass  Value 0.08m MP1 / 0.08m MP2, Threshold 0.5 m 
Data Completeness:  Pass  Value 93.4 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
Galileo Specific Tests 
Cycle Slips:  Pass  Value 22 slips, Threshold 91 slips 
Multipath:  Pass  Value 0.07m MP1 / 0.13m MP5a / 0.11m MP5b / 0.04m MP5a+b, Threshold 0.5 m 
Data Completeness:  Pass  Value 99.9 %, Threshold 90.0 % 
Navigation Data:  Pass   
     
BeiDou Specific Tests 
Cycle Slips:  Pass  Value 0 slips, Threshold 97 slips 
Multipath:  Pass  Value 0.18m MP1 / 0.20m MP5b, Threshold 0.5 m 
Data Completeness:  Fail  Value 67.1 %, Threshold 90.0 % 
Navigation Data:  Fail   

General Quality Indicators:


Tracking   
Num obs > 0°:  122476 
Num possible obs > 0°:  119464 
Num obs with invalid nav: 
Num obs without nav:  7200 
Num obs to unhealthy SV: 
Num obs with WLF change: 
Num complete loss of lock: 

Epochs with < 5 SV > 15°:  (0.0 %) 
Epochs with all SV > 15°:  2193  (60.9 %) 
Epochs with full data > 15°:  (0.0 %) 

Satellite Geometry 
DOP  Minimum  Maximum  Average 
PDOP  2.0  2.4  2.2 
GDOP  2.4  3.0  2.7 

Data Gaps 
Num epochs with data:  3600 
Num epochs without data: 
Data Gaps:  0.00 seconds 

List of Data Gaps (-) 
Duration  Start Time  End Time 
None     

Non-tracked satellites > 15° (^): 
SV  Time (minutes)  Epoch Range  Elevation Range  Azimuth Range 
R19  23.433  265 / 1671  15.01° / 25.00°  321.63° / 326.27° 
Total:  23.433 (1405 observations) 

Receiver Clock 
Clock Slips > 15°: 
Max RX clock offset:  0.000012 ms (at 2021/03/04 00:59:50.00) 
Num of RX clock resets: 
Total clock drift:  +0.000000 ms 
Rate of clock drift:  +0.000 ms/hr 
Av time between resets:  0.000 minute(s) 

Quality Indicators by Satellite System:


  Total  GPS  GLONASS  Galileo  BeiDou  QZSS 
Tracking information over 0° 
Num obs > 0°:  122476  46416  21601  27035  27424 
Num possible obs > 0°:  119464  47012  23288  25352  23812 
Num obs with invalid nav: 
Num obs without nav:  7200  3600  3600 
Num obs to unhealthy SV: 
             
Tracking over Elevation Mask (15°) 
Num obs > 15°:  83608  32392  19929  15194  16093 
% obs > 15°:   98.3 %  100.0 %  93.4 %  100.0 %  100.0 % 
Num possible obs > 15°:  85015  32392  21336  15194  16093 
Num complete obs > 15°:  78302  32392  19929  15181  10800 
% complete obs > 15°:   92.1 %  100.0 %  93.4 %  99.9 %  67.1 % 
Num obs with WLF change:  
Average # SV per Epoch:  23.2   9.0   5.5   4.2   4.5  
             
Obs L2 : Obs L1  1.756   1.607   2.000  
Obs B2/E5b : Obs B1/E1  0.831   1.001   0.671  
Obs L5/E5a : Obs L1/E1  0.657   0.495   1.001  

Cycle Slips             
Num cycle slips > 15°:  25  22 
% slips per complete obs:  0.032 %  0.015 %  0.145 % 
Num complete obs per slip:  3132   6643   690  
IOD Slips > 15°:  5307  13  5291 
Outliers > 15°: 
LLI L1/B1/E1 : Obs L1/B1/E1:  0.0003   0.0001   0.0013  
LLI L2 : Obs L2:  0.0000   0.0000  
LLI B2/E5b : Obs B2/E5b: 
LLI L5 : Obs L5: 

Multipath             
MP (L1/E1/B1) RMS:  0.118 m  0.142 m  0.079 m  0.075 m  0.179 m 
MP (L2) RMS:  0.116 m  0.134 m  0.084 m 
MP (L5/E5a) RMS:  0.155 m  0.180 m  0.126 m 
MP (E5b/B2) RMS:  0.143 m  0.111 m  0.196 m 
MP (E5a+b) RMS:  0.042 m  0.042 m 

Extended Quality Information:


Tracking by observation type > 15°: 
Type Code Phase SNR Doppler
L1C 100.0 %
100.0 %
100.0 %
100.0 %
L1I 100.0 %
100.0 %
100.0 %
100.0 %
L2C 100.0 %
100.0 %
100.0 %
100.0 %
L2P 100.0 %
100.0 %
100.0 %
100.0 %
L2S 60.7 %
60.7 %
60.7 %
60.7 %
L2W 100.0 %
100.0 %
100.0 %
100.0 %
L5Q 65.7 %
65.7 %
65.7 %
65.7 %
L7I 67.1 %
67.1 %
67.1 %
67.1 %
L7Q 100.0 %
100.0 %
100.0 %
100.0 %
L8Q 100.0 %
100.0 %
100.0 %
100.0 %

Tracking by satellite > 15°: 
SV Min Elev Max Elev Possible Observations Actual Observations Observations with Invalid Ephemeris Cycle Slips
G1 50.19° 65.75° 3600 3600 (100.0 %)
0 (0.0 %) 0
G3 66.56° 76.43° 3600 3600 (100.0 %)
0 (0.0 %) 0
G4 35.01° 62.86° 3600 3600 (100.0 %)
0 (0.0 %) 0
G8 15.00° 24.98° 1376 1376 (100.0 %)
0 (0.0 %) 0
G9 15.00° 34.26° 2566 2566 (100.0 %)
0 (0.0 %) 0
G14 15.00° 20.54° 1306 1306 (100.0 %)
0 (0.0 %) 0
G17 35.93° 53.70° 3600 3600 (100.0 %)
0 (0.0 %) 0
G19 15.01° 36.60° 3408 3408 (100.0 %)
0 (0.0 %) 0
G21 33.50° 52.63° 3600 3600 (100.0 %)
0 (0.0 %) 0
G22 45.77° 68.63° 3600 3600 (100.0 %)
0 (0.0 %) 0
G28 15.00° 23.38° 2136 2136 (100.0 %)
0 (0.0 %) 0
R2 23.28° 53.16° 3600 3600 (100.0 %)
0 (0.0 %) 1
R3 68.26° 84.98° 3600 3600 (100.0 %)
0 (0.0 %) 0
R4 15.88° 43.85° 3600 3600 (100.0 %)
0 (0.0 %) 0
R17 32.66° 58.32° 3600 3600 (100.0 %)
0 (0.0 %) 0
R18 57.16° 83.95° 3600 3600 (100.0 %)
0 (0.0 %) 0
R19 25.33° 41.05° 3336 1929 (57.8 %)
0 (0.0 %) 2
E4 54.62° 63.82° 3600 3600 (100.0 %)
0 (0.0 %) 1
E9 38.28° 63.05° 3600 3600 (100.0 %)
0 (0.0 %) 0
E11 67.66° 75.03° 3600 3600 (100.0 %)
0 (0.0 %) 0
E12 15.00° 30.87° 3593 3593 (100.0 %)
0 (0.0 %) 5
E19 15.00° 18.84° 801 801 (100.0 %)
0 (0.0 %) 16
E36 - - 0 0 (-)
3600 (-) 0
C5 - - 0 0 (-)
3600 (-) 0
C9 18.48° 21.99° 3600 3600 (100.0 %)
0 (0.0 %) 0
C11 38.53° 64.14° 3600 3600 (100.0 %)
0 (0.0 %) 0
C14 73.02° 86.11° 3600 3600 (100.0 %)
0 (0.0 %) 0
C21 15.01° 24.87° 1693 1693 (100.0 %)
0 (0.0 %) 0
C28 31.74° 53.76° 3600 3600 (100.0 %)
0 (0.0 %) 0

Missing phase observations by satellite > 15°: 
SV Observations Missing L1C Missing L1I Missing L2C Missing L2P Missing L2S Missing L2W Missing L5Q Missing L7I Missing L7Q Missing L8Q
G1 4.3 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G3 4.3 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G4 4.3 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G8 1.6 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G9 3.1 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G14 1.6 %
0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G17 4.3 %
0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G19 4.1 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G21 4.3 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G22 4.3 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G28 2.6 %
0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
R2 4.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R3 4.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R4 4.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R17 4.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R18 4.3 %
0.0 %
- 0.0 %
0.0 %
- - - - - -
R19 2.3 %
0.0 %
- 0.2 %
0.2 %
- - - - - -
E4 4.3 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E9 4.3 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E11 4.3 %
0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E12 4.3 %
0.1 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E19 1.0 %
1.4 %
- - - - - 0.0 %
- 0.0 %
0.0 %
C9 4.3 %
- 0.0 %
- - - - - 0.0 %
- -
C11 4.3 %
- 0.0 %
- - - - - 0.0 %
- -
C14 4.3 %
- 0.0 %
- - - - - 0.0 %
- -
C21 2.0 %
- 0.0 %
- - - - - 100.0 %
- -
C28 4.3 %
- 0.0 %
- - - - - 100.0 %
- -

Missing code observations by satellite > 15°: 
SV Missing C1C Missing C1I Missing C2C Missing C2P Missing C2S Missing C2W Missing C5Q Missing C7I Missing C7Q Missing C8Q
G1 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G3 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G4 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G8 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G9 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G14 0.0 %
- - - 0.0 %
0.0 %
0.0 %
- - -
G17 0.0 %
- - - 0.0 %
0.0 %
100.0 %
- - -
G19 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G21 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G22 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
G28 0.0 %
- - - 100.0 %
0.0 %
100.0 %
- - -
R2 0.0 %
- 0.0 %
0.0 %
- - - - - -
R3 0.0 %
- 0.0 %
0.0 %
- - - - - -
R4 0.0 %
- 0.0 %
0.0 %
- - - - - -
R17 0.0 %
- 0.0 %
0.0 %
- - - - - -
R18 0.0 %
- 0.0 %
0.0 %
- - - - - -
R19 0.0 %
- 0.1 %
0.1 %
- - - - - -
E4 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E9 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E11 0.0 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E12 0.1 %
- - - - - 0.0 %
- 0.0 %
0.0 %
E19 1.4 %
- - - - - 0.0 %
- 0.0 %
0.0 %
C9 - 0.0 %
- - - - - 0.0 %
- -
C11 - 0.0 %
- - - - - 0.0 %
- -
C14 - 0.0 %
- - - - - 0.0 %
- -
C21 - 0.0 %
- - - - - 100.0 %
- -
C28 - 0.0 %
- - - - - 100.0 %
- -

Tracking by satellite elevation > 15°: 
Elevation Cycle Slips GPS Cycle Slips GLONASS Cycle Slips Galileo Cycle Slips BeiDou Cycle Slips QZSS Observations
85 - 90 0
0
0
0
0
1.0 %
80 - 85 0
0
0
0
0
5.2 %
75 - 80 0
0
0
0
0
5.5 %
70 - 75 0
0
0
0
0
6.3 %
65 - 70 0
0
0
0
0
3.3 %
60 - 65 0
0
1
0
0
7.7 %
55 - 60 0
0
0
0
0
7.2 %
50 - 55 0
0
0
0
0
8.6 %
45 - 50 0
0
0
0
0
8.2 %
40 - 45 0
0
0
0
0
7.8 %
35 - 40 0
1
0
0
0
7.4 %
30 - 35 0
0
0
0
0
5.4 %
25 - 30 0
2
1
0
0
5.4 %
20 - 25 0
0
0
0
0
10.1 %
15 - 20 0
0
20
0
0
10.7 %
10 - 15 0
0
0
0
0
0.0 %
5 - 10 0
0
0
0
0
0.0 %
0 - 5 0
0
0
0
0
0.0 %

Signal to Noise Ratio by satellite > 15°: 
SV L1/E1/B1 L2 L5/E5a E5b/B2 E5a+b
G1 51.7
53.6
57.0
- -
G3 53.6
55.3
58.3
- -
G4 48.8
51.8
54.0
- -
G8 40.0
43.5
47.2
- -
G9 42.8
46.0
48.7
- -
G14 40.4
44.7
47.0
- -
G17 49.8
49.2
- - -
G19 43.4
43.1
- - -
G21 48.5
46.3
- - -
G22 51.2
50.2
- - -
G28 40.3
38.3
- - -
R2 50.2
46.9
- - -
R3 53.6
52.4
- - -
R4 45.0
45.1
- - -
R17 50.9
49.2
- - -
R18 53.9
51.7
- - -
R19 36.9
44.2
- - -
E4 53.4
- 54.8
55.4
58.0
E9 51.9
- 53.1
53.8
56.5
E11 50.9
- 52.0
52.9
55.5
E12 40.4
- 43.4
44.0
46.7
E19 36.7
- 39.8
40.1
43.1
C9 37.7
- - 42.8
-
C11 49.4
- - 53.4
-
C14 51.0
- - 55.9
-
C21 42.0
- - - -
C28 49.5
- - - -
Average GPS: 46.4
47.4
52.0
- -
Average GLONASS: 48.4
48.2
- - -
Average Galileo: 46.7
- 48.6
49.2
52.0
Average BeiDou: 45.9
- - 50.7
-
Average QZSS: - - - - -
Average All: 46.8
47.7
50.5
49.8
52.0

Code multipath by satellite > 15°: 
SV Av Elev MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
G1 58.0 ° 0.04 m
0.05 m
0.08 m
- -
G3 71.5 ° 0.03 m
0.04 m
0.06 m
- -
G4 48.9 ° 0.05 m
0.06 m
0.08 m
- -
G8 20.0 ° 0.15 m
0.10 m
0.14 m
- -
G9 24.6 ° 0.11 m
0.11 m
0.16 m
- -
G14 17.8 ° 0.37 m
0.24 m
0.56 m
- -
G17 44.8 ° 0.10 m
0.07 m
- - -
G19 25.8 ° 0.23 m
0.26 m
- - -
G21 43.1 ° 0.07 m
0.09 m
- - -
G22 57.2 ° 0.07 m
0.09 m
- - -
G28 19.2 ° 0.35 m
0.37 m
- - -
R2 38.2 ° 0.09 m
0.10 m
- - -
R3 76.6 ° 0.03 m
0.04 m
- - -
R4 29.9 ° 0.11 m
0.12 m
- - -
R17 45.5 ° 0.08 m
0.05 m
- - -
R18 70.6 ° 0.04 m
0.04 m
- - -
R19 33.2 ° 0.12 m
0.15 m
- - -
E4 59.2 ° 0.04 m
- 0.07 m
0.06 m
0.01 m
E9 50.7 ° 0.05 m
- 0.10 m
0.10 m
0.04 m
E11 71.3 ° 0.03 m
- 0.05 m
0.04 m
0.02 m
E12 22.9 ° 0.15 m
- 0.23 m
0.25 m
0.09 m
E19 16.9 ° 0.10 m
- 0.19 m
0.11 m
0.04 m
C9 20.2 ° 0.29 m
- - 0.41 m
-
C11 51.3 ° 0.12 m
- - 0.13 m
-
C14 79.6 ° 0.12 m
- - 0.05 m
-
C21 - - - - - -
C28 - - - - - -
Average GPS: - 0.14 m
0.13 m
0.18 m
- -
Average GLONASS: - 0.08 m
0.08 m
- - -
Average Galileo: - 0.07 m
- 0.13 m
0.11 m
0.04 m
Average BeiDou: - 0.18 m
- - 0.20 m
-
Average QZSS: - - - - - -
Average All: - 0.12 m
0.12 m
0.16 m
0.14 m
0.04 m

Code multipath by satellite elevation > 15°: 
Elevation MP (L1/E1/B1) MP (L2) MP (L5/E5a) MP (E5b/B2) MP (E5a+b)
85 - 90 0.11 m
- - 0.04 m
-
80 - 85 0.05 m
0.04 m
- 0.05 m
-
75 - 80 0.06 m
0.04 m
0.04 m
0.04 m
0.03 m
70 - 75 0.05 m
0.04 m
0.06 m
0.05 m
0.02 m
65 - 70 0.03 m
0.05 m
0.06 m
0.06 m
0.02 m
60 - 65 0.06 m
0.04 m
0.07 m
0.08 m
0.02 m
55 - 60 0.05 m
0.06 m
0.08 m
0.08 m
0.02 m
50 - 55 0.06 m
0.07 m
0.12 m
0.09 m
0.03 m
45 - 50 0.07 m
0.07 m
0.10 m
0.11 m
0.05 m
40 - 45 0.09 m
0.08 m
0.08 m
0.13 m
0.06 m
35 - 40 0.09 m
0.10 m
0.08 m
0.17 m
0.08 m
30 - 35 0.11 m
0.13 m
0.10 m
0.18 m
0.04 m
25 - 30 0.14 m
0.18 m
0.15 m
0.20 m
0.07 m
20 - 25 0.22 m
0.16 m
0.23 m
0.34 m
0.11 m
15 - 20 0.27 m
0.28 m
0.32 m
0.37 m
0.08 m
10 - 15 - - - - -
5 - 10 - - - - -
0 - 5 - - - - -


Observation File Messages:





GPS Navigation File Messages:




GLONASS Navigation File Messages:




Galileo Navigation File Messages:




BeiDou Navigation File Messages:




General Messages:


- Orbit missing or expired for SV C5 starting 2021/03/04 00:00:00.00.
- Updated header information or comments after epoch 2021/03/04 00:59:59.00

Notes:


(*)  Signal strength is mapped between 1 (worst) and 9 (best), 5 is the threshold for good SNR, 0 indicates value is unknown 
(#)  A complete GPS observation contains non-zero L1 code and phase measurements with a SNR of at least 0 
(#)  A complete GLONASS observation contains non-zero L1 code and phase measurements with a SNR of at least 0 
(#)  A complete Galileo observation contains non-zero E1, E5a, E5b, E5a+b code and phase measurements with a SNR of at least 0 
(#)  A complete BeiDou observation contains non-zero B1, B2 code and phase measurements with a SNR of at least 0 
(#)  A complete QZSS observation contains non-zero L1 code and phase measurements with a SNR of at least 0 
(-)  The minimum duration of a data gap to be reported is 5 seconds 
(^)  A satellite has to be above the elevation mask with no observations recorded for at least 120 seconds to be reported 
The elevation mask is set at 15° 
Abbreviations: Av=Average, IOD=Ionospheric delay, Num=Number, Obs=Observations, MP=Multipath, SV=Satellite vehicle, Elev=Elevation, Nav=Navigation data (ephemeris), WLF=Wavelength factor  
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This file was processed using version 7.1.0.7438